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Which of the following is a plant hormone ?
Which metal is the best conductor of electricity?
The joint where the neck joins the head is known as which of the following?
What is the focal length of a double convex lens for which the radius of curvature of each surface is 30 cm and the refractive index of glass is 2.50 ?
Which component of food is the primary source of energy?
Which of the following endocrine glands is located in the thoracic region in man?
The SI unit of surface tension is:
Which of the following non-metallic element shows allotropy in the liquid state?
Which of the following can be beaten into thin sheets?
A person standing on a trolley moving in a straight line throws a stone vertically upward, relative to himself, while facing in the direction of motion....